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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
In one dimensional flow, the flow

Takes place in one direction
Takes place in curve
Takes place in straight line
Is steady and uniform

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Hydraulics and Fluid Mechanics in ME
The velocity of jet of water travelling out of opening in a tank filled with water is proportional to

head of water (h)
h2
h2
V/T

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Hydraulics and Fluid Mechanics in ME
The force exerted (in Newton) by a jet of water impinging normally on a fixed plate is (where w = Specific weight of water in N/m3, a = Cross-sectional area of jet in m², and V = Velocity of jet in m/s)

waV² / 2g
waV / g
waV² / g
waV / 2g

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Hydraulics and Fluid Mechanics in ME
The liquid used in manometers should have

High density
Low density
Low surface tension
High surface tension

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Hydraulics and Fluid Mechanics in ME
The top of the weir over which the water flows is known as

Nappe or vein
None of these
Orifice
Sill or crest

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Hydraulics and Fluid Mechanics in ME
A Piezometer tube is used only for measuring

Low pressure
Moderate pressure
High pressure
Vacuum pressure

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